What happens when you try to thumb wrestle one of the Expendables? And how does Megan Fox really feel about having her own April O'Neil action figure from the upcoming Teenage Mutant Ninja Turtles? Our own Fandango Fangirl Tiffany Smith was on hand with Access Hollywood at this year's San Diego Comic-Con, where she chatted with a bunch of the stars in attendance, including the aforementioned hunks of The Expendables 3, as well as Horns star Daniel Radcliife, who received a special birthday surprise. 

Check out the video below.